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Fencer Intel
medium 4.8

CVE-2019-12186 json

XSS injection in the Grid component of Sylius

published 6y ago modified last mo. also GHSA-rc5r-697f-28x6 , EUVD-2020-0393

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

An issue was discovered in Sylius products. Missing input sanitization in sylius/sylius 1.0.x through 1.0.18, 1.1.x through 1.1.17, 1.2.x through 1.2.16, 1.3.x through 1.3.11, and 1.4.x through 1.4.3 and sylius/grid 1.0.x through 1.0.18, 1.1.x through 1.1.18, 1.2.x through 1.2.17, 1.3.x through 1.3.12, 1.4.x through 1.4.4, and 1.5.0 allows an attacker (an admin in the sylius/sylius case) to perform XSS by injecting malicious code into a field displayed in a grid with the "string" field type. The contents are an object, with malicious code returned by the __toString() method of that object.

Patch / fix

  • packagist sylius/grid 1.1.19, 1.2.18, 1.3.13, 1.4.5, 1.5.1
  • packagist sylius/grid-bundle 1.1.19, 1.2.18, 1.3.13, 1.4.5, 1.5.1
  • packagist sylius/sylius 1.1.18, 1.2.17, 1.3.12, 1.4.4

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Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist sylius/grid
>=1.0.0, <1.1.19
>=1.2.0, <1.2.18
>=1.3.0, <1.3.13
>=1.4.0, <1.4.5
>=1.5.0, <1.5.1
1.1.19
1.2.18
1.3.13
1.4.5
1.5.1
packagist sylius/grid-bundle
>=1.0.0, <1.1.19
>=1.2.0, <1.2.18
>=1.3.0, <1.3.13
>=1.4.0, <1.4.5
>=1.5.0, <1.5.1
1.1.19
1.2.18
1.3.13
1.4.5
1.5.1
packagist sylius/sylius
>=1.0.0, <1.1.18
>=1.2.0, <1.2.17
>=1.3.0, <1.3.12
>=1.4.0, <1.4.4
1.1.18
1.2.17
1.3.12
1.4.4

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.